On January 4, 1968 the price of a sprocket was $49.75. On January 4, 2003 the price of a sprocket was $16.88. Find the average rate of change in the price of a sprocket from 1968 to 2003. Round to the nearest cent.

The average rate of change is $LaTeX: \displaystyle \frac{16.88-49.75}{2003-1968}= -0.94$ dollars per year.